Home / 40,381.65-55,695.33-35,849.12

Finding the Fourth Proportional to 40,381.65, 55,695.33 and 35,849.12

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Solution

The fourth proportional to 40,381.65, 55,695.33 and 35,849.12 is: 49,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.65 : 55,695.33 = 35,849.12 : x
  2. Step 2: Convert to fraction form
    40,381.65/55,695.33 = 35,849.12/x
  3. Step 3: Cross multiply
    40,381.65x = 55,695.33 × 35,849.12
  4. Step 4: Simplify right side
    40,381.65x = 1,996,628,290.13
  5. Step 5: Solve for x
    x = 1,996,628,290.13/40,381.65
  6. Step 6: Final answer
    x = 49,443.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.